Service building



FIG. 1 is a perspective view of a service building showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view taken from the right of the front view;

FIG. 5 is a side elevational view taken from the left of the front view; and

FIG. 6 is a top plan view thereof. 

The ornamental design for a service building, as shown and described. 